Specification:Descriptions:The hinge boring bits are specially designed for use on man-made timber which blunts ordinary forstner bits quickly.The hinge forstners comes in the two most popular sizes to fit concealed hinges in kitchens/bedrooms etc.Suitable for hard & soft woods, veneered & laminated boards. Attention: The Hinge Boring Bit is used on bench drill or drill machine. Hand drill or electric drill is not recommended.
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